Load data for .378 Weath. Mag. + 200gr MAKER TREX
578 suitable loads across 99 powder(s) for cartridge .378 Weath. Mag. with 200gr MAKER TREX bullet.
The most recommended powders for this combination are ReloadSwiss RS 60, ReloadSwiss RS 70 and Hodgdon Superformance.
Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.655 in / 92.84 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.655 in / 92.84 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.375 | 200gr | TREX
Cartridge:.378 Weath. Mag. load data
Case Length (L3):2.913" | 74.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.528" | 13.4 mm
Case Capacity:137 gow | 8.88 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:6.0
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